Sen, A. (1999). Reason before identity: The Romanes lecture for 1998. Oxford.
Chicago Style aipamenaSen, Amartya. Reason Before Identity: The Romanes Lecture for 1998. New Delhi: Oxford, 1999.
MLA aipamenaSen, Amartya. Reason Before Identity: The Romanes Lecture for 1998. Oxford, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.